Error Code: 105-4256


  • You are unable to connect to a network service and receive this error code.
  • You may need to re-accept the Nintendo Network Service Agreement.

What to Do:

  1. Select the user Mii character from the top left corner of the Wii U Menu and select "View"
  2. Use the on-screen keyboard to enter your NNID password and select "OK"
  3. Select "OK" when asked to review the Network Services Agreement
  4. Select your language
  5. The updated Nintendo Network Services Agreement will display
  6. Review the updated Nintendo Network Services Agreement, tap "I accept" to agree